function initEcAd() {

document.all.zp2.style.posTop = -200;
document.all.zp2.style.visibility = 'visible'

MoveRightLayer('zp2');
}

function MoveRightLayer(layerName) {
var x = 5;
var y = 100;// 右侧广告距离页首高度
var diff = (document.body.scrollTop + y - document.all.zp2.style.posTop)*.40;
var y = document.body.scrollTop + y - diff;
eval("document.all." + layerName + ".style.posTop = y");
eval("document.all." + layerName + ".style.posRight = x");
setTimeout("MoveRightLayer('zp2');", 20);
}

document.write("<div id=zp2 style='position: absolute;visibility:hidden;z-index:1'><a href='http://www.qdl147.com/hrad.html' target='_blank'><img src=images/small.jpg border='0'></a></div>");
initEcAd()// JavaScript Document